Table 2 Tuning of the search engine regarding the traditional technical survey task.
From: Development and tuning of an original search engine for patent libraries in medicinal chemistry
Strategy | Tuning | P0 | MAP |
|---|---|---|---|
Impact of the description field | Description | 15.87% | 1.49% |
| Â | No description | 19.51% | 1.48% |
Impact of the metadata field | No metadata | 30.92% | 1.74% |
| Â | Metadata on TAC | 30.30% | 1.60% |
| Â | Metadata on TACD | 19.51% | 1.48% |
Impact of the weighting model | PL2 | 19.51% | 1.48% |
| Â | BM25 | 20.05% | 1.59% |
Impact of the co-citation network | Without re-ranking | 20.05% | 1.59% |
| Â | With re-ranking | 21.24% | 1.60% |
Impact of the use of IPC codes | No IPC codes | 21.24% | 1.60% |
| Â | IPC codes | 23.28% | 1.62% |